Set up an alert for port blocked by vSwitch security policy

Today I’m gonna show you, how to be alerted when VM port is being blocked by security policy defined on portgroup or vSwitch level. If you are not aware so far, these settings prevents VM users (or attackers) to change MAC address from the operating system. There are three security … Continue reading

Enabling agentless Guest (VM) RAM monitoring with vRealize Operations 6.3+

Agentless monitoring of the Guest RAM metrics is one of the new feature introduced with vRealize Operations 6.3 with vSphere 6.0 U1. I was really happy to finally see this functionality, as memory metrics which are provided by default are not accurate and I would say almost useless when trying … Continue reading

Update of Cloud Storage Gateways category on WhatMatrix

Cloud Storage Gateways category on WhatMatrix has been updated with the latest product’s details. 13 new products have been added and in total 49 products from 8 main Cloud Storage Gateway vendors are in the comparison. There is also one significant change in the comparison.  Each product now shows whether … Continue reading

IBM/Lenovo Networking and security issue using Easy Connect mode!

alert

A couple of months ago, after a migration from our legacy vSphere environment into our brand new vSphere based on IBM/Lenovo Flex Systems environment. Some of the our VMs stopped or were randomly responding on the network. My networking team discovered those VMs have duplicate MAC addressees with another VMs. … Continue reading

Fixed: Cross vCenter vMotion with shared storage bug

I’m in the middle of the project where I need to split up my environment into two vCenters so I decided to update part of it to vSphere 6.0 to ease up my work and operations tasks later on. I do have a stretched infrastructure across the datacenters including storage … Continue reading

Why is VDI Performance Monitoring Essential in a Virtual Environment?

VDI (Virtual Desktop Infrastructure) is a term used to describe a specific field of virtualization, which deals with creating and maintaining virtual desktops within an organization’s IT environment. The process involves the migration of desktop operating systems from physical computing resources to Virtual Machines, or VMs, hosted on centralized servers. … Continue reading

The Virtualist fuels WhatMatrix crowd-sourced consultancy

Long time expected is becoming reality today: WhatMatrix® launched for production after tens and hundreds hours of hard work spent by volunteering experts of virtualization – and 4 of them also The Virtualists – Roman, Jan, Dusan and Gica. And this is materializing into a new ‘crowd-sourced consultancy’ service www.whatmatrix.com. … Continue reading

SoftLayer local disk performance SATA/vSAN/SSD

SoftLayer local disk performance SATA/vSAN/SSD What disk performance you can expect from local drives in Softlayer with VMware vSphere6, vSAN & local SATA or SSD drives? This article is here to help you see and decide if performance will be enough for your needs. I have 3 hosts with: hardware … Continue reading